LST-640 was laid down on 27 May 1944 at Seneca, III., by the Chicago Bridge & Iron Co.; launched on 31 August 1944; sponsored by Mrs. Mary Frances Fox; and commissioned on 18 September 1944.
During World War II, LST-640 served in the Asiatic-Pacific theater and took part in the following operations :
Palawan Island landings—March 1945
Visayan Island landings—March and April 1945
Following the war, LST-640 performed service in China in March and April 1946. Upon her return to the United States, the ship was decommissioned on 30 April 1946 and struck from the Navy list on 19 July 1946.
LST-640 earned one battle star for World War II service.